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Finding the Fourth Proportional to 157,596.04, 217,519.86 and 90,566.92

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Solution

The fourth proportional to 157,596.04, 217,519.86 and 90,566.92 is: 125,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,596.04 : 217,519.86 = 90,566.92 : x
  2. Step 2: Convert to fraction form
    157,596.04/217,519.86 = 90,566.92/x
  3. Step 3: Cross multiply
    157,596.04x = 217,519.86 × 90,566.92
  4. Step 4: Simplify right side
    157,596.04x = 19,700,103,759.03
  5. Step 5: Solve for x
    x = 19,700,103,759.03/157,596.04
  6. Step 6: Final answer
    x = 125,003.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.